Lindsay meek
Created May 26, 2021

Intelligent Light Reducer for Office Flouros

Reduces power usage by automatically dimming rows-and-rows of office flouros based on ambient light using the DALI protocol.

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Intelligent Light Reducer for Office Flouros

Things used in this project

Hardware components

QuickFeather Development Kit
QuickLogic Corp. QuickFeather Development Kit
Quickfeather control board
×1
PCA T8 ECO lp
Dimmable Electronic Ballast. Dual 18-58W T8 tubes. DALI bus.
×1
Rohm BH1750FVI
Ambient light sensor. I2C bus. Outputs LUX level.
×1
Microchip AC160214-1
DALI transmitter adaptor board
×1

Story

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Schematics

DALI transmitter and ambient light sensor

Contains a BH1750 I2C ambient light sensor and a DALI loop power supply and transmitter circuit, operating from 3.3V

Code

qf_intelligent_dimmer.zip

C/C++
This is compiled with the qorc SDK for the quickfeather 1.2. Unzip it to the qf_apps subdirectory.
No preview (download only).

Credits

Lindsay meek

Lindsay meek

1 project • 0 followers

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